accept decimal and bitcoin exchanges

1 files changed, 46 insertions, 5 deletions

diff --git a/wallet/src/main/java/net/taler/wallet/withdraw/WithdrawManager.kt b/wallet/src/main/java/net/taler/wallet/withdraw/WithdrawManager.kt
index d96f421..ca6ba17 100644
--- a/wallet/src/main/java/net/taler/wallet/withdraw/WithdrawManager.kt
+++ b/wallet/src/main/java/net/taler/wallet/withdraw/WithdrawManager.kt
@@ -16,6 +16,7 @@
 
 package net.taler.wallet.withdraw
 
+import Bech32Data
 import android.net.Uri
 import android.util.Log
 import androidx.annotation.UiThread
@@ -25,6 +26,7 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.launch
 import kotlinx.serialization.Serializable
 import net.taler.common.Amount
+import net.taler.common.CyptoUtils
 import net.taler.common.Event
 import net.taler.common.toEvent
 import net.taler.wallet.TAG
@@ -33,6 +35,11 @@ import net.taler.wallet.backend.WalletBackendApi
 import net.taler.wallet.exchanges.ExchangeFees
 import net.taler.wallet.exchanges.ExchangeItem
 import net.taler.wallet.withdraw.WithdrawStatus.ReceivedDetails
+import toBech32Data
+import kotlin.experimental.and
+import kotlin.experimental.or
+import kotlin.math.floor
+import kotlin.reflect.KProperty
 
 sealed class WithdrawStatus {
     data class Loading(val talerWithdrawUri: String? = null) : WithdrawStatus()
@@ -57,14 +64,30 @@ sealed class WithdrawStatus {
 
     object Withdrawing : WithdrawStatus()
     data class Success(val currency: String) : WithdrawStatus()
-    data class ManualTransferRequired(
+    sealed class ManualTransferRequired: WithdrawStatus() {
+        abstract val uri: Uri
+        abstract val transactionId: String?
+    }
+
+    data class ManualTransferRequiredIBAN(
         val exchangeBaseUrl: String,
-        val uri: Uri,
+        override val uri: Uri,
         val iban: String,
         val subject: String,
         val amountRaw: Amount,
-        val transactionId: String?,
-    ) : WithdrawStatus()
+        override val transactionId: String?,
+    ) : ManualTransferRequired() {
+    }
+
+    data class ManualTransferRequiredBitcoin(
+        val exchangeBaseUrl: String,
+        override val uri: Uri,
+        val account: String,
+        val segwitAddrs: List<String>,
+        val subject: String,
+        val amountRaw: Amount,
+        override val transactionId: String?,
+    ) : ManualTransferRequired()
 
     data class Error(val message: String?) : WithdrawStatus()
 }
@@ -264,6 +287,7 @@ class WithdrawManager(
 
 }
 
+
 fun createManualTransferRequired(
     amount: Amount,
     exchangeBaseUrl: String,
@@ -271,7 +295,22 @@ fun createManualTransferRequired(
     transactionId: String? = null,
 ): WithdrawStatus.ManualTransferRequired {
     val uri = Uri.parse(uriStr)
-    return WithdrawStatus.ManualTransferRequired(
+    if ("bitcoin".equals(uri.authority, true)) {
+        val msg = uri.getQueryParameter("message")
+        val reg = "\\b([A-Z0-9]{52})\\b".toRegex().find(msg.orEmpty())
+        val reserve = reg?.value ?: uri.getQueryParameter("subject")!!
+        val segwitAddrs = Bech32.generateFakeSegwitAddress(reserve, uri.pathSegments.first())
+        return WithdrawStatus.ManualTransferRequiredBitcoin(
+            exchangeBaseUrl = exchangeBaseUrl,
+            uri = uri,
+            account = uri.lastPathSegment!!,
+            segwitAddrs = segwitAddrs,
+            subject = reserve,
+            amountRaw = amount,
+            transactionId = transactionId,
+        )
+    }
+    return WithdrawStatus.ManualTransferRequiredIBAN(
         exchangeBaseUrl = exchangeBaseUrl,
         uri = uri,
         iban = uri.lastPathSegment!!,
@@ -280,3 +319,5 @@ fun createManualTransferRequired(
         transactionId = transactionId,
     )
 }
+
+